Chair



FIG. 1 is a perspective view of a chair;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof, the right side being a mirror image; and,

FIG. 5 is a top view thereof.

The broken lines shown in the drawings are included for purposes of illustrating portions of the chair and form no part of the claimed design. 

CLAIM The ornamental design for a chair, as shown and described. 